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What effects Dose? · The Toshiba screen captures in this presentation represent the Aquilion ONE, ... Particular requirements for the safety of x-ray equipment for computed tomography

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Page 1: What effects Dose? · The Toshiba screen captures in this presentation represent the Aquilion ONE, ... Particular requirements for the safety of x-ray equipment for computed tomography

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Page 2: What effects Dose? · The Toshiba screen captures in this presentation represent the Aquilion ONE, ... Particular requirements for the safety of x-ray equipment for computed tomography

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Page 3: What effects Dose? · The Toshiba screen captures in this presentation represent the Aquilion ONE, ... Particular requirements for the safety of x-ray equipment for computed tomography

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Page 4: What effects Dose? · The Toshiba screen captures in this presentation represent the Aquilion ONE, ... Particular requirements for the safety of x-ray equipment for computed tomography

The Toshiba screen captures in this presentation represent the Aquilion ONE, software version 4.74 ER004.

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Page 5: What effects Dose? · The Toshiba screen captures in this presentation represent the Aquilion ONE, ... Particular requirements for the safety of x-ray equipment for computed tomography

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Page 6: What effects Dose? · The Toshiba screen captures in this presentation represent the Aquilion ONE, ... Particular requirements for the safety of x-ray equipment for computed tomography

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Page 7: What effects Dose? · The Toshiba screen captures in this presentation represent the Aquilion ONE, ... Particular requirements for the safety of x-ray equipment for computed tomography

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Page 8: What effects Dose? · The Toshiba screen captures in this presentation represent the Aquilion ONE, ... Particular requirements for the safety of x-ray equipment for computed tomography

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Page 9: What effects Dose? · The Toshiba screen captures in this presentation represent the Aquilion ONE, ... Particular requirements for the safety of x-ray equipment for computed tomography

1. Bauhs, J. A., Vrieze, T. J., Primak, A. N., Bruesewitz, M. R., & McCollough, C. H. (2008). CT Dosimetry: Comparison of Measurement Techniques and Devices1. Radiographics, 28(1), 245-253. doi:10.1148/rg.281075024

2. McCollough, C. H., Primak, A. N., Braun, N., Kofler, J., Yu, L., & Christner, J. (2009). Strategies for reducing radiation dose in CT. Radiologic clinics of North America, 47(1), 27-40.

3. International Electrotechnical Commission. Medical Electrical Equipment. Part 2–44: Particular requirements for the safety of x-ray equipment for computed tomography. 2.1. International Electrotechnical Commission (IEC) Central Office; Geneva, Switzerland: 2002. IEC publication No. 60601–2–44.

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Page 10: What effects Dose? · The Toshiba screen captures in this presentation represent the Aquilion ONE, ... Particular requirements for the safety of x-ray equipment for computed tomography

http://www.aapm.org/pubs/reports/RPT_204.pdf

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Page 11: What effects Dose? · The Toshiba screen captures in this presentation represent the Aquilion ONE, ... Particular requirements for the safety of x-ray equipment for computed tomography

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Page 12: What effects Dose? · The Toshiba screen captures in this presentation represent the Aquilion ONE, ... Particular requirements for the safety of x-ray equipment for computed tomography

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Page 13: What effects Dose? · The Toshiba screen captures in this presentation represent the Aquilion ONE, ... Particular requirements for the safety of x-ray equipment for computed tomography

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Page 14: What effects Dose? · The Toshiba screen captures in this presentation represent the Aquilion ONE, ... Particular requirements for the safety of x-ray equipment for computed tomography

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Page 15: What effects Dose? · The Toshiba screen captures in this presentation represent the Aquilion ONE, ... Particular requirements for the safety of x-ray equipment for computed tomography

1. McCollough, C. H., Leng, S., Yu, L., Cody, D. D., Boone, J. M., & McNitt-Gray, M. F. (2011). CT Dose Index and Patient Dose: They are Not the Same Thing, EDITORIAL, Radiology 259(2), 311-316.

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Page 16: What effects Dose? · The Toshiba screen captures in this presentation represent the Aquilion ONE, ... Particular requirements for the safety of x-ray equipment for computed tomography

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Page 17: What effects Dose? · The Toshiba screen captures in this presentation represent the Aquilion ONE, ... Particular requirements for the safety of x-ray equipment for computed tomography

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Page 18: What effects Dose? · The Toshiba screen captures in this presentation represent the Aquilion ONE, ... Particular requirements for the safety of x-ray equipment for computed tomography

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Page 19: What effects Dose? · The Toshiba screen captures in this presentation represent the Aquilion ONE, ... Particular requirements for the safety of x-ray equipment for computed tomography

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Page 20: What effects Dose? · The Toshiba screen captures in this presentation represent the Aquilion ONE, ... Particular requirements for the safety of x-ray equipment for computed tomography

1. Bauhs, J. A., Vrieze, T. J., Primak, A. N., Bruesewitz, M. R., & Mccollough, C. H. (2008). CT Dosimetry : Comparison of Measurement Techniques and Devices. Radiographics, 28(1), 245-254.

2. Zhang, D., Cagnon, C. H., Villablanca, J. P., McCollough, C. H., Cody, D. D., Stevens, D. M., Zankl, M., et al. (2012). Peak Skin and Eye Lens Radiation Dose From Brain Perfusion CT Based on Monte Carlo Simulation. American Journal of Roentgenology, 198(2), 412-417.

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Page 21: What effects Dose? · The Toshiba screen captures in this presentation represent the Aquilion ONE, ... Particular requirements for the safety of x-ray equipment for computed tomography

In this example, S&S, S&V, and Volume are Axial modes (Volume mode refers to an axial scan of a length >=4cm volume with thin acquisition slice thicknesses). Helical, GG-Hel, and GR-Hel are Helical scan modes. Dy-Volume is a Dynamic scan mode. Slide provided by Toshiba Medical Systems

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Page 22: What effects Dose? · The Toshiba screen captures in this presentation represent the Aquilion ONE, ... Particular requirements for the safety of x-ray equipment for computed tomography

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Page 23: What effects Dose? · The Toshiba screen captures in this presentation represent the Aquilion ONE, ... Particular requirements for the safety of x-ray equipment for computed tomography

Couch Movement is in the unit of mm/rotation. Slide provided by Toshiba Medical Systems

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Page 24: What effects Dose? · The Toshiba screen captures in this presentation represent the Aquilion ONE, ... Particular requirements for the safety of x-ray equipment for computed tomography

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Page 25: What effects Dose? · The Toshiba screen captures in this presentation represent the Aquilion ONE, ... Particular requirements for the safety of x-ray equipment for computed tomography

Slide provided by Toshiba Medical Systems

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Page 26: What effects Dose? · The Toshiba screen captures in this presentation represent the Aquilion ONE, ... Particular requirements for the safety of x-ray equipment for computed tomography

In the highlighted example, 0.5mm is the channel thickness (T) and 80 is the number of channels (n) Slide provided by Toshiba Medical Systems

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Page 27: What effects Dose? · The Toshiba screen captures in this presentation represent the Aquilion ONE, ... Particular requirements for the safety of x-ray equipment for computed tomography

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Page 28: What effects Dose? · The Toshiba screen captures in this presentation represent the Aquilion ONE, ... Particular requirements for the safety of x-ray equipment for computed tomography

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Page 29: What effects Dose? · The Toshiba screen captures in this presentation represent the Aquilion ONE, ... Particular requirements for the safety of x-ray equipment for computed tomography

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Page 30: What effects Dose? · The Toshiba screen captures in this presentation represent the Aquilion ONE, ... Particular requirements for the safety of x-ray equipment for computed tomography

PF and HP are related to each other by the number of channels. Multiply the PF by the number of channels to get HP. Slide provided by Toshiba Medical Systems

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Page 31: What effects Dose? · The Toshiba screen captures in this presentation represent the Aquilion ONE, ... Particular requirements for the safety of x-ray equipment for computed tomography

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Page 32: What effects Dose? · The Toshiba screen captures in this presentation represent the Aquilion ONE, ... Particular requirements for the safety of x-ray equipment for computed tomography

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Page 33: What effects Dose? · The Toshiba screen captures in this presentation represent the Aquilion ONE, ... Particular requirements for the safety of x-ray equipment for computed tomography

Slide provided by Toshiba Medical Systems

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Page 34: What effects Dose? · The Toshiba screen captures in this presentation represent the Aquilion ONE, ... Particular requirements for the safety of x-ray equipment for computed tomography

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Page 35: What effects Dose? · The Toshiba screen captures in this presentation represent the Aquilion ONE, ... Particular requirements for the safety of x-ray equipment for computed tomography

Slide provided by Toshiba Medical Systems

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Page 36: What effects Dose? · The Toshiba screen captures in this presentation represent the Aquilion ONE, ... Particular requirements for the safety of x-ray equipment for computed tomography

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Page 37: What effects Dose? · The Toshiba screen captures in this presentation represent the Aquilion ONE, ... Particular requirements for the safety of x-ray equipment for computed tomography

Slide provided by Toshiba Medical Systems

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Page 38: What effects Dose? · The Toshiba screen captures in this presentation represent the Aquilion ONE, ... Particular requirements for the safety of x-ray equipment for computed tomography

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Page 39: What effects Dose? · The Toshiba screen captures in this presentation represent the Aquilion ONE, ... Particular requirements for the safety of x-ray equipment for computed tomography

Slide provided by Toshiba Medical Systems

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Page 40: What effects Dose? · The Toshiba screen captures in this presentation represent the Aquilion ONE, ... Particular requirements for the safety of x-ray equipment for computed tomography

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Page 41: What effects Dose? · The Toshiba screen captures in this presentation represent the Aquilion ONE, ... Particular requirements for the safety of x-ray equipment for computed tomography

Slide provided by Toshiba Medical Systems

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Page 42: What effects Dose? · The Toshiba screen captures in this presentation represent the Aquilion ONE, ... Particular requirements for the safety of x-ray equipment for computed tomography

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Page 43: What effects Dose? · The Toshiba screen captures in this presentation represent the Aquilion ONE, ... Particular requirements for the safety of x-ray equipment for computed tomography

The calibrated FOV is denoted by a letter: LL (50cm), L (40cm), M (32cm), S (24cm), SS (18cm) Note: for Large Bore scanners: XL(70cm), LL(55cm), L(40cm), M(32cm), S(24cm) Slide provided by Toshiba Medical Systems

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Page 44: What effects Dose? · The Toshiba screen captures in this presentation represent the Aquilion ONE, ... Particular requirements for the safety of x-ray equipment for computed tomography

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Page 45: What effects Dose? · The Toshiba screen captures in this presentation represent the Aquilion ONE, ... Particular requirements for the safety of x-ray equipment for computed tomography

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Page 46: What effects Dose? · The Toshiba screen captures in this presentation represent the Aquilion ONE, ... Particular requirements for the safety of x-ray equipment for computed tomography

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Page 47: What effects Dose? · The Toshiba screen captures in this presentation represent the Aquilion ONE, ... Particular requirements for the safety of x-ray equipment for computed tomography

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Page 48: What effects Dose? · The Toshiba screen captures in this presentation represent the Aquilion ONE, ... Particular requirements for the safety of x-ray equipment for computed tomography

Toshiba’s AEC is called SUREExposure3D. Slide provided by Toshiba Medical Systems

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Page 49: What effects Dose? · The Toshiba screen captures in this presentation represent the Aquilion ONE, ... Particular requirements for the safety of x-ray equipment for computed tomography

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Page 50: What effects Dose? · The Toshiba screen captures in this presentation represent the Aquilion ONE, ... Particular requirements for the safety of x-ray equipment for computed tomography

The target Image Quality setting can be chosen by clicking on the “Sure Exp. 3D” box. Slide provided by Toshiba Medical Systems

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Page 51: What effects Dose? · The Toshiba screen captures in this presentation represent the Aquilion ONE, ... Particular requirements for the safety of x-ray equipment for computed tomography

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Page 52: What effects Dose? · The Toshiba screen captures in this presentation represent the Aquilion ONE, ... Particular requirements for the safety of x-ray equipment for computed tomography

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Page 53: What effects Dose? · The Toshiba screen captures in this presentation represent the Aquilion ONE, ... Particular requirements for the safety of x-ray equipment for computed tomography

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Page 54: What effects Dose? · The Toshiba screen captures in this presentation represent the Aquilion ONE, ... Particular requirements for the safety of x-ray equipment for computed tomography

Slide provided by Toshiba Medical Systems

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Page 55: What effects Dose? · The Toshiba screen captures in this presentation represent the Aquilion ONE, ... Particular requirements for the safety of x-ray equipment for computed tomography

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Page 56: What effects Dose? · The Toshiba screen captures in this presentation represent the Aquilion ONE, ... Particular requirements for the safety of x-ray equipment for computed tomography

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Page 57: What effects Dose? · The Toshiba screen captures in this presentation represent the Aquilion ONE, ... Particular requirements for the safety of x-ray equipment for computed tomography

Slide provided by Toshiba Medical Systems

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Page 58: What effects Dose? · The Toshiba screen captures in this presentation represent the Aquilion ONE, ... Particular requirements for the safety of x-ray equipment for computed tomography

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Page 59: What effects Dose? · The Toshiba screen captures in this presentation represent the Aquilion ONE, ... Particular requirements for the safety of x-ray equipment for computed tomography
Page 60: What effects Dose? · The Toshiba screen captures in this presentation represent the Aquilion ONE, ... Particular requirements for the safety of x-ray equipment for computed tomography

Slide provided by Toshiba Medical Systems

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Page 61: What effects Dose? · The Toshiba screen captures in this presentation represent the Aquilion ONE, ... Particular requirements for the safety of x-ray equipment for computed tomography

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Page 62: What effects Dose? · The Toshiba screen captures in this presentation represent the Aquilion ONE, ... Particular requirements for the safety of x-ray equipment for computed tomography

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Page 63: What effects Dose? · The Toshiba screen captures in this presentation represent the Aquilion ONE, ... Particular requirements for the safety of x-ray equipment for computed tomography

Slide provided by Toshiba Medical Systems

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Page 64: What effects Dose? · The Toshiba screen captures in this presentation represent the Aquilion ONE, ... Particular requirements for the safety of x-ray equipment for computed tomography

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Page 65: What effects Dose? · The Toshiba screen captures in this presentation represent the Aquilion ONE, ... Particular requirements for the safety of x-ray equipment for computed tomography

Slide provided by Toshiba Medical Systems

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Page 66: What effects Dose? · The Toshiba screen captures in this presentation represent the Aquilion ONE, ... Particular requirements for the safety of x-ray equipment for computed tomography

AIDR3D is integrated with the mA modulation system, SUREExposure3D. Therefore, when AIDR is selected prior to scanning, the mA and CTDIvol will be affected. Slide provided by Toshiba Medical Systems

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Page 67: What effects Dose? · The Toshiba screen captures in this presentation represent the Aquilion ONE, ... Particular requirements for the safety of x-ray equipment for computed tomography

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Page 68: What effects Dose? · The Toshiba screen captures in this presentation represent the Aquilion ONE, ... Particular requirements for the safety of x-ray equipment for computed tomography

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Page 69: What effects Dose? · The Toshiba screen captures in this presentation represent the Aquilion ONE, ... Particular requirements for the safety of x-ray equipment for computed tomography

Slide provided by Toshiba Medical Systems

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Page 70: What effects Dose? · The Toshiba screen captures in this presentation represent the Aquilion ONE, ... Particular requirements for the safety of x-ray equipment for computed tomography

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Page 71: What effects Dose? · The Toshiba screen captures in this presentation represent the Aquilion ONE, ... Particular requirements for the safety of x-ray equipment for computed tomography

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Page 72: What effects Dose? · The Toshiba screen captures in this presentation represent the Aquilion ONE, ... Particular requirements for the safety of x-ray equipment for computed tomography

“Body” in parentheses refers to use of the 32cm CTDI phantom to determine CTDIvol. “Head” would refer to the 16cm phantom. Slide provided by Toshiba Medical Systems

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Page 73: What effects Dose? · The Toshiba screen captures in this presentation represent the Aquilion ONE, ... Particular requirements for the safety of x-ray equipment for computed tomography

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Page 74: What effects Dose? · The Toshiba screen captures in this presentation represent the Aquilion ONE, ... Particular requirements for the safety of x-ray equipment for computed tomography

“Body” in parentheses refers to use of the 32cm CTDI phantom to determine CTDIvol. “Head” would refer to the 16cm phantom. Slide provided by Toshiba Medical Systems

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Page 75: What effects Dose? · The Toshiba screen captures in this presentation represent the Aquilion ONE, ... Particular requirements for the safety of x-ray equipment for computed tomography

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Page 76: What effects Dose? · The Toshiba screen captures in this presentation represent the Aquilion ONE, ... Particular requirements for the safety of x-ray equipment for computed tomography

“Body” in parentheses refers to use of the 32cm CTDI phantom to determine CTDIvol. “Head” would refer to the 16cm phantom. Slide provided by Toshiba Medical Systems

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Page 77: What effects Dose? · The Toshiba screen captures in this presentation represent the Aquilion ONE, ... Particular requirements for the safety of x-ray equipment for computed tomography

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Page 78: What effects Dose? · The Toshiba screen captures in this presentation represent the Aquilion ONE, ... Particular requirements for the safety of x-ray equipment for computed tomography

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Page 79: What effects Dose? · The Toshiba screen captures in this presentation represent the Aquilion ONE, ... Particular requirements for the safety of x-ray equipment for computed tomography

Slide provided by Toshiba Medical Systems

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Page 80: What effects Dose? · The Toshiba screen captures in this presentation represent the Aquilion ONE, ... Particular requirements for the safety of x-ray equipment for computed tomography

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Page 81: What effects Dose? · The Toshiba screen captures in this presentation represent the Aquilion ONE, ... Particular requirements for the safety of x-ray equipment for computed tomography

Slide provided by Toshiba Medical Systems

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Page 82: What effects Dose? · The Toshiba screen captures in this presentation represent the Aquilion ONE, ... Particular requirements for the safety of x-ray equipment for computed tomography

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Page 83: What effects Dose? · The Toshiba screen captures in this presentation represent the Aquilion ONE, ... Particular requirements for the safety of x-ray equipment for computed tomography

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Page 84: What effects Dose? · The Toshiba screen captures in this presentation represent the Aquilion ONE, ... Particular requirements for the safety of x-ray equipment for computed tomography

A special thank you to Dr. Mark Supanich for his considerable efforts in leading the working group in developing these slides.

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Page 85: What effects Dose? · The Toshiba screen captures in this presentation represent the Aquilion ONE, ... Particular requirements for the safety of x-ray equipment for computed tomography

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